If we intend to make use of hydrogen as gas for cars and trucks or aircrafts, or for chemical storage space of excess renewable resource, it would certainly be most effective if it were fluid. Nonetheless, this would certainly call for cooling it to minus 253 ° C or 20 ° K, which is extremely energy-consuming when making use of a standard air conditioning modern technology.
发布者：Dr.Durant，转转请注明出处：https://robotalks.cn/magnetocaloric-cooling-method-produces-liquid-hydrogen-using-environmentally-friendly-technology/
